Description This referee kit, made of ABS material. The warning board not easy to bend back and not easy folded broken. A must for basketball referees, very practical and necessary. Small and compact board design allows referees to take out board easily and fast, very convenient. Features -Color:As Shown -Material:ABS -Size:32.00X18.00X1.00cm/12.58X7.07X0.39in - Made of sturdy ABS material, these cards are very wear-resistant, durable and practical to use. - Basketball game indicators, including substitution warning, fault warning. - Come with lightweight design, they can be neat and organized and you can have one set. - Fit For: sports training, basketball games for referees, coaches, or anyone who needs cards. -Essential basketball game indicators, improving the fairness and standardization of the game. Made of sturdy ABS material, these cards are very wear-resistant, durable and practical to use. Basketball game indicators, including substitution warning, fault warning. Come with lightweight design, they can be neat and organized and you can have one set. Fit For: sports training, basketball games for referees, coaches, or anyone who needs cards. Essential basketball game indicators, improving the fairness and standardization of the game.